feat(toolkit): add structured media authoring

llm.txt

@@ -57,10 +57,12 @@ App.tsx
 - `createPersistOptions` — shared persist middleware wiring
 
 **Data content** lives under `src/data/`:
-- `changelog.json` + `changelog.ts` — app Change Log entries, sorted newest-first in the UI
-- `credits.json` + `credits.ts` — Toolkit Credits fallback/source content
-- `legal.json` — policy content
-- `toolkit/*.json` — empty array placeholders for future Toolkit resources until schemas stabilize
+- `toolkit/changelog.json` — app Change Log entries, sorted newest-first in the UI
+- `toolkit/credits.json` — Toolkit Credits fallback/source content
+- `toolkit/legal.json` — policy content
+- `toolkit/images.json` and `toolkit/audio.json` — Toolkit media records with upload-backed `fileName` references
+- `toolkit/*.json` + `toolkit/index.ts` — seed data for gameplay/Toolkit resources and app content
+- `types/index.ts` — shared interfaces for gameplay data, Toolkit resources, Changelog, Credits, Legal, and app content
 
 **Settings** constants/helpers: `src/settings/gameSettings.ts`  
 Resolution presets include phone sizes plus a `browser` (unbounded) mode. Toolkit menu items are only shown when resolution is `browser`.
@@ -174,7 +176,8 @@ npm run test               # Jest
 Canonical list lives in `manifest.llm.json` → `knownGaps`. Current highlights:
 - `docs/` is still a placeholder stub
 - `wiki/` currently stores reference images and loose wiki/design assets
-- Toolkit placeholder JSON files are empty arrays until schemas are requested
+- Toolkit JSON files now contain starter data based on the current wiki schemas; Credits, Changelog, and Legal live under `src/data/toolkit/`
+- Toolkit media uploads are written by the local socket server under `src/assets/images/uploads/` and `src/assets/music/uploads/`
 
 ## Notes for LLMs
 - **Read `manifest.llm.json` for task routing** — use `taskRoutes` to pick the narrowest file set
@@ -184,6 +187,8 @@ Canonical list lives in `manifest.llm.json` → `knownGaps`. Current highlights:
 - **Metro** bundles mobile; **Vite** bundles web/Electron renderer — not interchangeable
 - **Navigation is Zustand-based** — do not add React Navigation unless explicitly requested
 - **Persistence is platform-split** — extend `persistStorage.ts` / `persistStorage.web.ts`, not stores directly
-- `src/data/AGENTS.md` contains extra rules for JSON content and Toolkit placeholders
+- `src/data/AGENTS.md` contains extra rules for JSON content and Toolkit seed data
+- Data consumers should import from `src/data/index.ts`; keep `src/data/types/` aligned with JSON schema changes
+- Before committing or pushing meaningful deliverables, update `src/data/toolkit/changelog.json`; Husky bumps build metadata but does not write release notes
 - iOS Pods and `node_modules/` are not committed; run `pod install` after pulling native dep changes
 - `dist/` build artifacts are gitignored